Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 06:34

General

  • Target
    931b4e93e3552329f893b6e136a41e9626d2a9c86969ddb66570d950a7c58e8f.exe
  • Size 45KB
  • Sample260802-hbtpbaed84
  • SHA256 931b4e93e3552329f893b6e136a41e9626d2a9c86969ddb66570d950a7c58e8f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • hentaihay.blog:80

  • hentaihay.blog:22

  • hentaihay.blog:8080

  • hentaihay.blog:8880

  • hentaihay.blog:2052

  • hentaihay.blog:2082

  • hentaihay.blog:2086

  • hentaihay.blog:2095

  • hentaihay.blog:443

  • hentaihay.blog:2053

  • hentaihay.blog:2083

  • hentaihay.blog:2087

  • hentaihay.blog:2096

  • hentaihay.blog:8443

  • www.hentaihay.blog:80

  • www.hentaihay.blog:22

  • www.hentaihay.blog:8080

  • www.hentaihay.blog:8880

  • www.hentaihay.blog:2052

  • www.hentaihay.blog:2082

Mutex
  • sclE9Bpt73De

Attributes
  • delay

    0

  • install

    true

  • install_file

    78q61u2.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Outbound SSH connection to public host 2 TTPs 4 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\931b4e93e3552329f893b6e136a41e9626d2a9c86969ddb66570d950a7c58e8f.exe
    "C:\Users\Admin\AppData\Local\Temp\931b4e93e3552329f893b6e136a41e9626d2a9c86969ddb66570d950a7c58e8f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "78q61u2" /tr '"C:\Users\Admin\AppData\Roaming\78q61u2.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5424
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "78q61u2" /tr '"C:\Users\Admin\AppData\Roaming\78q61u2.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2836
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3C34.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4596
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1188
      • C:\Users\Admin\AppData\Roaming\78q61u2.exe
        "C:\Users\Admin\AppData\Roaming\78q61u2.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4084
  • C:\Users\Admin\AppData\Roaming\78q61u2.exe
    "C:\Users\Admin\AppData\Roaming\78q61u2.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4092

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp3C34.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp3C34.tmp.bat
        • Size 151B
        • SHA256 d7ba13886fccfa8abe478d62135554bb38826c191661af06b72e09a45aee29d0
        • MD5 SHA1 SHA512 TLSH

        78q61u2.exe

        • Path C:\Users\Admin\AppData\Roaming\78q61u2.exe
        • Size 45KB
        • SHA256 931b4e93e3552329f893b6e136a41e9626d2a9c86969ddb66570d950a7c58e8f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4092-12-0x0000000075010000-0x00000000757CC000-memory.dmp

        memory/4092-14-0x0000000075010000-0x00000000757CC000-memory.dmp

        memory/4868-0-0x0000000075192000-0x0000000075193000-memory.dmp

        memory/4868-1-0x0000000000E60000-0x0000000000E72000-memory.dmp

        memory/4868-2-0x0000000075180000-0x000000007593C000-memory.dmp

        memory/4868-3-0x0000000005970000-0x0000000005A0C000-memory.dmp

        memory/4868-8-0x0000000075180000-0x000000007593C000-memory.dmp